PHP install on MacOS with note on Debian 10.5

For Mac with Home-brew

brew install php

After install with Home-brew, the location of both the default and new install can be seen below;

the latter is the original Mac install.

Also see here

For Debian;

sudo apt-get install php

then

sudo apt-get install php7.3-cgi

Note, replace the 7.3 with whatever php version was installed in the previous step.

This can be checked by

php -version

or

dpkg -s php